GB8714205D0 - Liquid crystal devices - Google Patents

Liquid crystal devices

Info

Publication number
GB8714205D0
GB8714205D0 GB878714205A GB8714205A GB8714205D0 GB 8714205 D0 GB8714205 D0 GB 8714205D0 GB 878714205 A GB878714205 A GB 878714205A GB 8714205 A GB8714205 A GB 8714205A GB 8714205 D0 GB8714205 D0 GB 8714205D0
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal devices
devices
liquid
crystal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB878714205A
Other versions
GB2191870A (en
GB2191870B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB8714205D0 publication Critical patent/GB8714205D0/en
Publication of GB2191870A publication Critical patent/GB2191870A/en
Application granted granted Critical
Publication of GB2191870B publication Critical patent/GB2191870B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/141—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
GB8714205A 1986-06-18 1987-06-17 Liquid crystal devices Expired - Fee Related GB2191870B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868614838A GB8614838D0 (en) 1986-06-18 1986-06-18 Liquid crystal devices

Publications (3)

Publication Number Publication Date
GB8714205D0 true GB8714205D0 (en) 1987-07-22
GB2191870A GB2191870A (en) 1987-12-23
GB2191870B GB2191870B (en) 1990-04-25

Family

ID=10599661

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868614838A Pending GB8614838D0 (en) 1986-06-18 1986-06-18 Liquid crystal devices
GB8714205A Expired - Fee Related GB2191870B (en) 1986-06-18 1987-06-17 Liquid crystal devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868614838A Pending GB8614838D0 (en) 1986-06-18 1986-06-18 Liquid crystal devices

Country Status (5)

Country Link
US (1) US4832462A (en)
EP (1) EP0250218B1 (en)
JP (1) JP2805304B2 (en)
DE (1) DE3787218T2 (en)
GB (2) GB8614838D0 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2607380B2 (en) * 1987-04-13 1997-05-07 テクトロニックス・インコーポレイテッド Liquid crystal cell
AU606456B2 (en) * 1987-09-17 1991-02-07 Canon Kabushiki Kaisha Ferroelectric smectic liquid crystal device
AU647786B2 (en) * 1987-09-17 1994-03-31 Canon Kabushiki Kaisha Ferroelectric smectic liquid crystal device
US5200848A (en) * 1987-09-17 1993-04-06 Canon Kabushiki Kaisha Ferroelectric smectic liquid crystal device
US5422749A (en) * 1987-09-17 1995-06-06 Canon Kabushiki Kaisha Ferroelectric smetic liquid crystal device
US5016989A (en) * 1987-09-18 1991-05-21 Canon Kabushiki Kaisha Liquid crystal element with improved contrast and brightness
US5676880A (en) * 1987-09-18 1997-10-14 Rolic Ag Ferroelectric liquid crystal cell
EP0309774B1 (en) 1987-09-18 1992-11-19 F. Hoffmann-La Roche Ag Ferroelectric liquid-crystal cell
JP2640259B2 (en) * 1988-12-20 1997-08-13 キヤノン株式会社 Ferroelectric liquid crystal device
JPH02226115A (en) * 1989-02-28 1990-09-07 Citizen Watch Co Ltd Production of ferroelectric liquid crystal element
JP2551848B2 (en) * 1989-07-25 1996-11-06 セイコープレシジョン株式会社 Ferroelectric liquid crystal panel
US5646704A (en) * 1989-10-26 1997-07-08 Canon Kabushiki Kaisha Chiral smectic liquid crystal device having predetermined pre-tilt angle and intersection angle
JP2502802B2 (en) * 1990-10-15 1996-05-29 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン Liquid crystal display
US5172257A (en) * 1991-11-08 1992-12-15 Bell Communications Research, Inc. Twisted ferroelectric liquid crystal modulator for providing gray scale
ATE169414T1 (en) * 1992-01-24 1998-08-15 Canon Kk METHOD FOR TREATING A CHIRAL SMECTIC LIQUID CRYSTAL DEVICE
US6437762B1 (en) 1995-01-11 2002-08-20 William A. Birdwell Dynamic diffractive optical transform
US6133974A (en) 1996-08-16 2000-10-17 Nec Corporation Liquid crystal display with two areas of liquid crystal with orthogonal initial orientations
KR100218983B1 (en) * 1995-10-24 1999-09-01 손욱 Liquid crystal display device for using achiral smectic c liquid crystal material
US10254453B2 (en) 2010-11-02 2019-04-09 Arizona Board Of Regents On Behalf Of The University Of Arizona Thin-film broadband and wide-angle devices for generating and sampling polarization states
US8866997B2 (en) * 2010-11-02 2014-10-21 Arizona Board Of Regents On Behalf Of The University Of Arizona Patterned electronic and polarization optical devices

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4563059A (en) * 1983-01-10 1986-01-07 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
US4461715A (en) * 1981-04-06 1984-07-24 Minnesota Mining And Manufacturing Company Thermally addressed cholesteric-smectic liquid crystal device and composition
US4582396A (en) * 1983-05-09 1986-04-15 Tektronix, Inc. Field sequential color display system using optical retardation
US4721367A (en) * 1985-04-01 1988-01-26 Canon Kabushiki Kaisha Liquid crystal device
US4778259A (en) * 1985-07-17 1988-10-18 Canon Kabushiki Kaisha Ferroelectric liquid crystal devices having reverse twist angle and stable states resulting from A.C. excitation
SE8504761D0 (en) * 1985-10-14 1985-10-14 Sven Torbjorn Lagerwall IMPROVEMENTS OF FERROELECTRIC LIQUID CRYSTAL DEVICES
DD241962A1 (en) * 1985-10-22 1987-01-07 Akad Wissenschaften Ddr PROCESS FOR GENERATING A SMEKTICAL A LIQUID CRYSTALLINE PHASE
JPS62192724A (en) * 1986-02-20 1987-08-24 Toshiba Corp Ferroelectric liquid crystal element and its production

Also Published As

Publication number Publication date
GB2191870A (en) 1987-12-23
DE3787218T2 (en) 1993-12-16
JP2805304B2 (en) 1998-09-30
US4832462A (en) 1989-05-23
GB8614838D0 (en) 1986-07-23
EP0250218A1 (en) 1987-12-23
EP0250218B1 (en) 1993-09-01
DE3787218D1 (en) 1993-10-07
GB2191870B (en) 1990-04-25
JPS6352122A (en) 1988-03-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000617